The Kansas City Chiefs elevated guard Rishaw Johnson to the active 53-man roster from the practice squad and waived linebacker Josh Martin, the team announced today. 

Rishaw Johnson (6-3, 313) joined the Chiefs practice squad on Sept. 3, 2013. He originally entered the NFL as an undrafted free agent with the Seattle Seahawks in April of 2012. He served primarily on the Seahawks practice squad, during his rookie season, before being released by Seattle on Aug. 31, 2013.

Johnson played collegiately at California University of Pennsylvania and was a teammate of current Chiefs center Eric Kush. Johnson was voted a team captain for the Vulcans and was a first-team All-American in 2011, after playing the previous three seasons at Ole Miss. He prepped at Hammond High School in Hammond, La.

Josh Martin joined the Chiefs as an undrafted free agent on May 13, 2013. He was inactive for the club's first three games. Prior to joining the Chiefs, he played in 30 games for Columbia University (N.Y.), tallying 140 tackles (85 solo), 29.5 tackles for loss, 17.5 sacks (-118.0 yards), two forced fumbles, five fumble recoveries and two passes defensed.

Martin prepped at Cherokee Trail High School in Aurora, Colo.